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Table 4 σxmax and Uzmax of the first mode of the long stringer under different damping ratios

From: Residual Stress Relaxation of Thin-walled Long Stringer Made of Aluminum Alloy 7050-T7451 under Transportation Vibration

Damping ratio

σxmax (MPa)

Uzmax (mm)

0.01

578.0

85.9

0.012

401.4

59.7

0.014

294.9

43.9

0.016

225.8

33.6

0.018

178.4

26.5

0.02

144.5

21.5

0.03

64.3

9.5